#include <stdio.h>
#include <iostream>
#include <time.h>


struct Stu
{
    float data;
    float data2;
    float data3;
    float data4;
};

#define N 0x6fffffff
using namespace std;



Stu *  try_alloc(){
    Stu * t = (Stu *) malloc(sizeof(Stu) * N);
    Stu * a = t;
    for (unsigned int i = 0; i < N; i++)
    {
        // *a = 1.0f;
        a->data = 1.0f;
        a ++;
    }
    return t;
}
int main(){
    Stu * a = try_alloc();
    // Stu * b = try_alloc();

    cout << "END" << endl;


    char cmd[10];
    while (1)
    {
        printf("$ ");
        scanf("%9s",&cmd);
        if(!strcmp(cmd,"q"))
        {
            break;
        }
    }
    
    free(a);
    // free(b);

    return 0;
}